229242427 has 16 divisors (see below), whose sum is σ = 240804864. Its totient is φ = 217980000.

The previous prime is 229242413. The next prime is 229242479. The reversal of 229242427 is 724242922.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229242427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229242392 and 229242401.

It is not an unprimeable number, because it can be changed into a prime (229242407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660468 + ... + 660814.

It is an arithmetic number, because the mean of its divisors is an integer number (15050304).

Almost surely, 2^229242427 is an apocalyptic number.

229242427 is a deficient number, since it is larger than the sum of its proper divisors (11562437).

229242427 is a wasteful number, since it uses less digits than its factorization.

229242427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690.

The product of its digits is 32256, while the sum is 34.

The square root of 229242427 is about 15140.7538451690. The cubic root of 229242427 is about 612.0191328904.

The spelling of 229242427 in words is "two hundred twenty-nine million, two hundred forty-two thousand, four hundred twenty-seven".